Tense drama series about the different challenges faced by the British Security Service as they work against the clock to safeguard the nation. The title is a popular colloquialism for spies, and the series follows the work of a group of MI5 officers based at the service's Thames House headquarters, in a highly secure suite of offices known as The Grid.
2004-10-11
2004-10-18
2004-10-25
2004-11-01
2004-11-08
2004-11-15
2004-11-22
2004-11-29
2004-12-06
2004-12-13
